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15034 commits 23 branches 48 tags 157 MiB
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12695 commits

Author SHA1 Message Date
Nuno Lopes 5b24396ecd Z3_subst: add fast path for quantifier subst 
when replace patterns are ground
 2021-02-28 23:09:52 +00:00
Nikolaj Bjorner 026065ff71 streamline pb solver interface and naming after removal of xor 2021-02-28 12:32:04 -08:00
Nikolaj Bjorner 13f05ae9dc enable wcnf output for weighted maxsat problems 2021-02-28 09:59:36 -08:00
Nikolaj Bjorner b02cba6106 rename propagation to explain 2021-02-27 17:25:11 -08:00
Nikolaj Bjorner fb8e2e444e remove xor solver, tune dt_solver for enumeration case 2021-02-27 17:17:39 -08:00
Nikolaj Bjorner 830f314a3f fixes to dt_solver and related 2021-02-27 11:03:20 -08:00
Nikolaj Bjorner f7b1469462 Try freeing context in dispose method and not wait for finalizer #5043 2021-02-27 11:02:58 -08:00
Nikolaj Bjorner c6eb55537a Throttle nra solver when progress is being made by linearization 2021-02-26 11:14:24 -08:00
Nikolaj Bjorner 08f55f9d1f start wcnf 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-26 11:13:44 -08:00
Nikolaj Bjorner be68456c06 java compilation? 2021-02-26 05:04:46 -08:00
Nikolaj Bjorner 06caf57a86 fix #5033 2021-02-26 03:42:13 -08:00
Nikolaj Bjorner 5c47f244e9 fix #5047 2021-02-26 03:37:14 -08:00
Nikolaj Bjorner ea1089e980 fix #4938 2021-02-26 02:06:28 -08:00
Murphy Berzish 56e4ee3273
z3str3: use assert_axiom_rw more consistently (#5055) 2021-02-25 19:50:18 -06:00
Nikolaj Bjorner 64ba0b631a fixes to seq solver 2021-02-25 10:35:14 -08:00
Nikolaj Bjorner 080c9c6893 fixes to dt solver 2021-02-25 10:35:02 -08:00
Nikolaj Bjorner 04edfc9fdb out 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-23 18:14:20 -08:00
Nikolaj Bjorner 377d060036 move to separate axiom management 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-23 18:09:45 -08:00
Murphy Berzish 9bde93f812
z3str3: check whether rewritten axioms rewrite to TRUE (#5039) 2021-02-23 10:36:14 -06:00
Murphy Berzish 5599387a34
z3str3: add str.is_digit support (#5038) 2021-02-23 10:36:01 -06:00
Nikolaj Bjorner c3b7fa941a fix #5048 2021-02-22 10:56:19 -08:00
Nikolaj Bjorner d9fb40602e use theory agnostic axioms in more cases 2021-02-21 18:36:53 -08:00
Nuno Lopes 977082e2bd travis: disable LTO build; its just too slow 2021-02-21 20:18:48 +00:00
Nuno Lopes 4a3d63f9e4 NNF: dont allocate act_cache separately 2021-02-21 16:34:28 +00:00
Nuno Lopes 7b6eff6967 fix user-after-free in smt_ctx test 2021-02-20 16:20:32 +00:00
Nuno Lopes e773e1e78d fix a few more warnings 2021-02-19 12:16:05 +00:00
Nuno Lopes d6ce9cce95 fix clang warnings 2021-02-19 10:59:22 +00:00
Nuno Lopes 5e034e495f fix compiler warnings 2021-02-19 10:33:41 +00:00
Nikolaj Bjorner a22fb8a96e revert unit propagation of equality literals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-18 23:11:03 -08:00
Nikolaj Bjorner 27584d68db more rewrite rules 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-18 22:14:53 -08:00
Nikolaj Bjorner b2eb248bad fixes, fix #5034 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-18 16:47:44 -08:00
Nikolaj Bjorner 180015a529 fix #5035 2021-02-18 16:47:36 -08:00
Murphy Berzish 27db97c269
Z3str3: add str.to_code and str.from_code (#5015) 2021-02-18 16:51:34 -06:00
Nikolaj Bjorner ca9fcbd1df na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-18 13:46:59 -08:00
Nikolaj Bjorner 00dab30ea0 remove binary_function 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-18 13:18:58 -08:00
Nikolaj Bjorner 9ae3339c33 fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-18 12:33:17 -08:00
Nuno Lopes 14de590566 fix MSVC build 2021-02-18 19:05:20 +00:00
Nuno Lopes d396d46bd1 let's test if all the buildbots are happy with C++17 
it's stil a bit too early for C++20
 2021-02-18 18:13:10 +00:00
Nikolaj Bjorner e63dc7efc2 more rewrite rules 2021-02-17 17:32:00 -08:00
Nuno Lopes bcad4d9435 revert my mess with the ast hashtable 
will share results form the experiments later
 2021-02-17 14:29:07 +00:00
Nikolaj Bjorner 4f9117a921 Move seq axioms to theory independent module 2021-02-16 05:13:52 -08:00
Nikolaj Bjorner 823830181b butterfly effect with relevancy marking 
bail out of infinite instantiation loop
 2021-02-15 16:37:23 -08:00
Nikolaj Bjorner a6dce246f6 fix #5031 2021-02-15 14:36:01 -08:00
Nikolaj Bjorner 96e7b811f9 fix #5029 2021-02-15 14:17:05 -08:00
Nikolaj Bjorner c387863da1 fix #5032, reset substitution during fold transformation 2021-02-15 14:14:25 -08:00
Nikolaj Bjorner 6bd02e122b parse according to http://smtlib.cs.uiowa.edu/theories-UnicodeStrings.shtml 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-15 09:32:31 -08:00
Nikolaj Bjorner 1da7522893 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-14 17:47:19 -08:00
Nikolaj Bjorner 70b4822571 patch seq theory using purification to avoid unsoundness caused by interaction with canonization and rewriting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-02-14 17:41:06 -08:00
Nuno Lopes 2db2767e7a remove unused method 
in preparation for a bigger storm :)
 2021-02-14 23:31:24 +00:00
Nikolaj Bjorner eac69c5504 incorrect axiomatization 
Fixes repro in https://github.com/Z3Prover/z3/issues/4866#issuecomment-778706682
 2021-02-14 15:29:10 -08:00